Nepean Bay Weather Forecast

    • 14
    • 23

    Cloud clearing

    • 12
    • 24

    Mostly sunny

    • 12
    • 24

    Sunny

    • 12
    • 29

    Mostly sunny

    • 13
    • 28

    Mostly sunny

    • 14
    • 26

    Partly cloudy

    • 14
    • 24

    Possible shower

Today 19 Mar Kangaroo Island

Partly cloudy. Winds southeasterly 15 to 25 km/h. Daytime maximum temperatures in the low to mid 20s.

Investigator Strait Coastal Waters

Wind
Southeasterly 15 to 20 knots.
Seas
1 to 1.5 metres.
1st Swell
West to southwesterly below 1 metre.
Weather
Mostly sunny.
Weather Situation
A weak ridge of high pressure will remain along the coast during the next few days.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nepean Bay Temperature Statistics View More

March Temperature

Kingscote Airport (7km)

  • Lowest 9 March, 2026

    7.6 °C

  • Average March

    17.7 °C

  • Highest 10 March, 2026

    31.2 °C

Climate (2021–Present)

Kingscote Airport (7km)

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  • Average Low 2021–2026

    9.2 °C

  • Average 2021–2026

    14.8 °C

  • Average High 2021–2026

    21.1 °C
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